ZoranC
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Today one of my systems gave me a BIOS EE error after I put a CPU in it. I took CPU out, inspected contacts under 7x magnification and couldn’t find anything visibly wrong with them. Then I inspected CPU socket under 7x magnification and it seems one single pin is crushed. Which confuses me because … I know I didn’t drop anything into that socket nor touched it. Also, considering density of pins, I would expect more than one pin in the vicinity of one that seems damaged to show damage too. But all of them around it seem fine. So what in the world could cause such damage to a single pin?!
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VirtualUnreality
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Re: Single CPU socket pin crushed?!
2021/03/06 17:10:16
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So sorry to hear that! Only 2 possibilities I can think of, 1: Board came that way with pin damage or defect and initially had good enough contact with initial CPU to work and broke further on insertion of new CPU or when retention mechanism lever moved to lock position even though done correctly ( Or if it's manual/adjustable bracket/screws for retention in an overtorque situation I'd expect multiple pins damaged also ), 2: CPU somehow had a minuscule contaminant ( Otherwise you'd have noticed and/or multiple pin damage ) on that matching pin which and when you removed CPU the contaminant was sticking to pin but fell off unnoticed ( gently shake the board off if you didn't already onto a piece of paper and maybe it'll reveal something?? ). Both seem unlikely to begin with, and further still as you made that 7x magnification comment which sounds as if you're careful and experienced builder, but these scenarios not completely impossible. I'm at a loss however for any other possibility when taking what you posted as given, so unless we're both missing some other explanation, by process of elimination must be one or the other.
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safan80
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Re: Single CPU socket pin crushed?!
2021/03/06 18:36:52
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Pins bend very easily. The more times you insert and remove a cpu the more chances there to bend a pin. If it is just one pin that's a good thing. You can bend it back with a tiny medical syringe, mechanical pencil, small tweezers or pliers, and finally using a toothpick or sewing needle as a leverage. You will also need a way to magnify the socket so you can see what you are doing like a magnifying glass with a built in light. This is how you do it. https://www.youtube.com/watch?v=1fkioojsxX8
post edited by safan80 - 2021/03/06 18:39:47
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ZoranC
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Re: Single CPU socket pin crushed?!
2021/03/06 18:52:07
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VirtualUnreality So sorry to hear that!
Thank you! Trust me, so am I :( VirtualUnreality … sounds as if you're careful and experienced builder …
Experienced no but very very careful and thorough yes. VirtualUnreality … CPU somehow had a minuscule contaminant …
That would’ve been a possibility if it wasn’t for my practice of always inspecting underneath of CPU for any possible contamination under LED lighted 7x magnification before I mount it. VirtualUnreality … in an overtorque situation I'd expect multiple pins damaged also …
That is my train of thought, plus pin seems crushed in backwards direction while in overtorque situation I would expect it bent downwards so I’ve in my mind eliminated an overtorque as possible culprit. VirtualUnreality Board came that way with pin damage or defect and initially had good enough contact with initial CPU to work and broke further on insertion of new CPU or when retention mechanism lever moved to lock position even though done correctly …
That is the only explanation I too can come up with that would fit what I am seeing but I don’t want to jump to assumption that is true reason because of a) lack of my experience, and b) even at 7x magnification it is extremely hard to see exact condition of pins that are so small. I will be reaching out to EVGA when they open on Monday but in the meantime I’m scratching my head.
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ZoranC
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Re: Single CPU socket pin crushed?!
2021/03/06 18:54:38
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safan80 Pins bend very easily. The more times you insert and remove a cpu the more chances there to bend a pin. If it is just one pin that's a good thing. You can bend it back ...
It seems you didn't notice I used word "crushed", not "bent". If it was bent and I felt I can straighten it we most likely wouldn't be having this thread, I would've already done it.
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safan80
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Re: Single CPU socket pin crushed?!
2021/03/06 20:39:16
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ZoranC
safan80 Pins bend very easily. The more times you insert and remove a cpu the more chances there to bend a pin. If it is just one pin that's a good thing. You can bend it back ...
It seems you didn't notice I used word "crushed", not "bent". If it was bent and I felt I can straighten it we most likely wouldn't be having this thread, I would've already done it.
Can you post a picture? Without a picture I wouldn't know if it was "crushed" or "bent." People have a tendency to exaggerate on the internet, so I didn't assume that the condition was beyond repair. However, if the pin is bent backwards onto it's self it might be difficult to fix the pin, but you can do as long as the pin is not broken. Now if the pin is broken you have to replace the entire socket. The thing is bent or broken pins is considered user damage and is not covered under warranty. If you don't think you can fix it I would contact support and ask them how much it would cost to fix a damaged socket. I got gigabtye to fix a socket for me for only $100.
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ty_ger07
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Re: Single CPU socket pin crushed?!
2021/03/06 21:58:08
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safan80 If you don't think you can fix it I would contact support and ask them how much it would cost to fix a damaged socket. I got gigabtye to fix a socket for me for only $100.
Unfortunately EVGA does not have a repair service any more. EVGA won't fix it for any amount of money. They just say to toss it in the e-waste bin.
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HeavyHemi
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Re: Single CPU socket pin crushed?!
2021/03/06 22:59:27
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ZoranC
safan80 Pins bend very easily. The more times you insert and remove a cpu the more chances there to bend a pin. If it is just one pin that's a good thing. You can bend it back ...
It seems you didn't notice I used word "crushed", not "bent". If it was bent and I felt I can straighten it we most likely wouldn't be having this thread, I would've already done it.
"Crushed", makes it just about 100% certain there was debris in the socket when you installed the CPU. It could have been a piece of something stuck in your hair or on the back of your hand. Impossible to say. Single pins do not get crushed otherwise.
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ZoranC
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Re: Single CPU socket pin crushed?!
2021/03/07 10:59:32
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HeavyHemi "Crushed", makes it just about 100% certain there was debris in the socket when you installed the CPU. It could have been a piece of something stuck in your hair or on the back of your hand. Impossible to say. Single pins do not get crushed otherwise.
That doesn't sound logical to me. Piece of debris can be either on top or underneath the pin. If it is on top pin would get pushed down. If it is underneath pin would get deformed while being pushed down during mounting but in either case it wouldn't fold vertically/backwards.
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HeavyHemi
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Re: Single CPU socket pin crushed?!
2021/03/07 13:26:17
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ZoranC
HeavyHemi "Crushed", makes it just about 100% certain there was debris in the socket when you installed the CPU. It could have been a piece of something stuck in your hair or on the back of your hand. Impossible to say. Single pins do not get crushed otherwise.
That doesn't sound logical to me. Piece of debris can be either on top or underneath the pin. If it is on top pin would get pushed down. If it is underneath pin would get deformed while being pushed down during mounting but in either case it wouldn't fold vertically/backwards.
Why are you precisely defining "crushed" to where it somehow cannot have been "crushed". I don't comprehend your point or your post. The debris could have been beside or across or moved slightly when the CPU is installed. We don't know. Your reply is illogical, based on your own posts of what occurred. "Crushed", makes it just about 100% certain there was debris in the socket when you installed the CPU. It could have been a piece of something stuck in your hair or on the back of your hand. Impossible to say. Single pins do not get crushed otherwise.' Maybe you're trying to protect a warranty claim. I don't care. That's my professional opinion, I was also professional socket designer in a past life. (I know, Walter Mitty right?) Sorry about your bad luck. Be more careful in the future.
post edited by HeavyHemi - 2021/03/07 13:29:24
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ZoranC
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Re: Single CPU socket pin crushed?!
2021/03/07 14:33:02
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HeavyHemi Or beside or across or moved slightly when the CPU is installed. Your reply is illogical, based on your own posts of what occurred.
I believe my reply is consistent with what I described while your reply again doesn't seem logical. If debris was to the side / moved across slightly then I believe logic implies pin would get bent in direction of movement, sideways, and pins next to it would get impacted in same direction. That is what would sound logical to me. Unless you can draw onto your past experience designing sockets with logical explanation how such movement could result in single pin folding backwards, please? HeavyHemi Maybe you're trying to protect a warranty claim.
That is one thing I am -NOT- trying to do. Like I already said, I am leaving possibility open that magnification I am using is not high enough for me to see with 100% clarity what happened with pins. I will leave final say to EVGA but when I damage something -myself- I take responsibility for it, however as of now I don't see how it could've happened. Regardless of what the outcome is you trying to imply I'm trying to be dishonest here is not appreciated at all. HeavyHemi Be more careful in the future.
I always am. That is exactly why I am making this post, to see if I can figure out what happened that would make sense so I can learn from it and avoid it happening again. I don't know how much your experience as a designer of sockets in past time translates into experience with inspecting and fixing modern sockets in the field but maybe you can still be of some help to me after all ... Which inspection tool you would recommend to someone that would be inexpensive, might offer variety of magnification factors above 10x, and is focusable at normal working distances?
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safan80
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Re: Single CPU socket pin crushed?!
2021/03/08 18:01:02
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ty_ger07
safan80 If you don't think you can fix it I would contact support and ask them how much it would cost to fix a damaged socket. I got gigabtye to fix a socket for me for only $100.
Unfortunately EVGA does not have a repair service any more. EVGA won't fix it for any amount of money. They just say to toss it in the e-waste bin.
Wow, I did not know that! Thank you for the info.
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